12730404880

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{3881221}}^1$

素因数の和:3881275

約数の個数: 40

約数和(自身を含む): 30320106264

約数和(自身を除く): 17589701384

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 3881221, 7762442, 15524884, 19406105, 31049768, 38812210, 62099536, 77624420, 155248840, 159130061, 310497680, 318260122, 636520244, 795650305, 1273040488, 1591300610, 2546080976, 3182601220, 6365202440, 12730404880]

約数ペア:

[(1, 12730404880), (2, 6365202440), (4, 3182601220), (5, 2546080976), (8, 1591300610), (10, 1273040488), (16, 795650305), (20, 636520244), (40, 318260122), (41, 310497680), (80, 159130061), (82, 155248840), (164, 77624420), (205, 62099536), (328, 38812210), (410, 31049768), (656, 19406105), (820, 15524884), (1640, 7762442), (3280, 3881221)]